Hand saw



FIG. 1 is a front elevational view of a hand saw, showing my new design;

FIG. 2 is a side elevational view thereof from the left of FIG. 1;

FIG. 3 is a side elevational view thereof from the right of FIG. 2;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a perspective view thereof.

The broken line showing of the blade is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a hand saw, as shown and described. 